OPTICAL RECORDING MEDIUM, RECORDING/REPRODUCING METHOD AND RECORDING/REPRODUCING APPARATUS

摘要

An optical recording medium, a recording and/or reproducing method and a recording and/or reproducing apparatus by which data can be quickly recorded according to an optimum recording and/or reproducing condition. A reference signal area is disposed in each of the recording layers in order to record a predetermined reference signal at an optimum recording condition. A reference signal information area includes reference signal indicator information which indicates information on each recording layer in which the reference signal is recorded. In a case of a multi-layered information storage medium, by recording a reference signal only in a layer used by an initial drive data can be written in a minimum time when the disk is first used. By making a mark on a recording layer in which a reference signal is recorded, management of the reference signal is efficiently performed.